package collection;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
/**
 * 增强型for循环/新循环
 */
public class NewForDemo {
    public static void main(String[] args) {
        String[] array={"one","two","three","four","five"};
        for(int i=0;i< array.length;i++){
            System.out.println(array[i]);
        }
        System.out.println(1);

        Collection c=new ArrayList();
        c.add("one");
        c.add("two");
        c.add("three");
        c.add("four");
        c.add("five");
        Iterator it=c.iterator();
        while(it.hasNext()){
            String str=(String)it.next();
            System.out.println(str);
        }
        System.out.println(2);

        // for(元素类型 变量名:集合或数组）{循环体}

        for(String str:array){
            System.out.println(str);//str表示的就是数组中的每个元素
        }
        System.out.println(3);

        for(Object obj:c){
            String str=(String)obj;
            System.out.println(str);
        }
    }
}
